October Weather in Katy, United States

Last updated: June 24, 2025

In October, the average temperature in Katy, United States hovers around 22°C (72°F). Expect a range where the mercury can dip to a cool 2°C (36°F) or soar to a sizzling 34°C (93°F). Throughout the month, the region typically sees 92 mm (3.6 in) of precipitation over 12 days, contributing to an average humidity of 75%.

October Temperature in Katy

In October in Katy, the average temperature is 22°C (72°F). Maximum temperatures can reach up to 34°C (93°F), while minimums can drop as low as 2°C (36°F). This makes it essential to pack both lightweight clothing for warmer days and warmer layers for cooler nights when traveling.

October Weather in Katy: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Katy, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Katy, October typically has an average temperature of 22°C (72°F), with highs reaching up to 34°C (93°F) and lows dropping to around 2°C (36°F).

Data source: Temperature data for Katy generated using information from the Copernicus Climate Change Service.

October Precipitation in Katy

In Katy in October, the precipitation amount is 92 mm (3.6 in) over the course of 12 days.

October Precipitation Trends in Katy

The chart displays monthly precipitation patterns in Katy, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Katy, October typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Katy

In Katy in October, humidity is 75%. With an average temperature of 22°C (72°F), this humidity feels like a warm embrace, making outdoor activities enjoyable yet requiring travelers to stay hydrated and take breaks in shaded areas.

October Average Humidity in Katy

This chart illustrates the average monthly humidity levels in Katy, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Katy is approximately 75%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Katy

In Katy in October, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Katy.

Maximum UV Index Levels in Katy for October

The chart shows the monthly maximum UV Index (UVI) for Katy in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Katy typically reaches 9, which falls under the very high exposure category.

Data source: Katy October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How October Weather in Katy Compares to Other Months

Weather in Katy varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Katy, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Katy, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (55°F)	81 mm (3.2 inches)	78%	moderate
February Weather	14°C (58°F)	92 mm (3.6 inches)	81%	very high
March Weather	19°C (66°F)	72 mm (2.8 inches)	76%	very high
April Weather	21°C (70°F)	80 mm (3.1 inches)	79%	extreme
May Weather	25°C (78°F)	165 mm (6.5 inches)	79%	extreme
June Weather	28°C (83°F)	156 mm (6.1 inches)	74%	extreme
July Weather	29°C (84°F)	125 mm (4.9 inches)	71%	extreme
August Weather	29°C (85°F)	167 mm (6.6 inches)	68%	extreme
September Weather	27°C (80°F)	157 mm (6.2 inches)	73%	very high
October Weather	22°C (72°F)	92 mm (3.6 inches)	75%	very high
November Weather	17°C (63°F)	75 mm (3.0 inches)	78%	high
December Weather	14°C (58°F)	106 mm (4.2 inches)	84%	moderate